117 lines
3.3 KiB
C
117 lines
3.3 KiB
C
/*
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Bluefruit Protocol for TMK firmware
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Author: Benjamin Gould, 2013
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Based on code Copyright 2011 Jun Wako <wakojun@gmail.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdint.h>
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#include <avr/interrupt.h>
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#include <avr/wdt.h>
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#include <avr/sleep.h>
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#include <util/delay.h>
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#include "serial.h"
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#include "keyboard.h"
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#include "usb.h"
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#include "host.h"
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#include "timer.h"
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#include "print.h"
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#include "debug.h"
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#include "sendchar.h"
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#include "suspend.h"
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#include "bluefruit.h"
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#include "pjrc.h"
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#define CPU_PRESCALE(n) (CLKPR = 0x80, CLKPR = (n))
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#define HOST_DRIVER_NOT_SET 0
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#define BLUEFRUIT_HOST_DRIVER 1
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#define PJRC_HOST_DRIVER 2
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int main(void)
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{
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CPU_PRESCALE(0);
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DDRD = _BV(PD5);
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DDRB = _BV(PB0);
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PORTD = _BV(PD5);
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PORTB = _BV(PB0);
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print_set_sendchar(sendchar);
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usb_init();
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_delay_ms(2000);
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// while (!usb_configured()) /* wait */
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dprintf("Initializing keyboard...\n");
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keyboard_init();
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// This implementation is pretty simplistic... if the USB connection
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// is not configured, choose the Bluefruit, otherwise use USB
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// Definitely would prefer to have this driven by an input pin and make
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// it switch dynamically - BCG
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if (!usb_configured()) {
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// Send power to Bluefruit... Adafruit says it takes 27 mA, I think
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// the pins should provide 40 mA, but just in case I switch the
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// Bluefruit using a transistor - BCG
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DDRB = _BV(PB6);
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PORTB |= _BV(PB6);
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dprintf("Setting host driver to bluefruit...\n");
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host_set_driver(bluefruit_driver());
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dprintf("Initializing serial...\n");
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serial_init();
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// wait an extra second for the PC's operating system
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// to load drivers and do whatever it does to actually
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// be ready for input
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_delay_ms(1000);
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PORTD = ~_BV(PD5);
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dprintf("Starting main loop");
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while (1) {
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keyboard_task();
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}
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} else {
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// I'm not smart enough to get this done with LUFA - BCG
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dprintf("Setting host driver to PJRC...\n");
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host_set_driver(pjrc_driver());
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#ifdef SLEEP_LED_ENABLE
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sleep_led_init();
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#endif
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// wait an extra second for the PC's operating system
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// to load drivers and do whatever it does to actually
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// be ready for input
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_delay_ms(1000);
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PORTB = ~_BV(PB0);
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dprintf("Starting main loop");
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while (1) {
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while (suspend) {
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suspend_power_down(WDTO_120MS);
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if (remote_wakeup && suspend_wakeup_condition()) {
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usb_remote_wakeup();
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}
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}
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keyboard_task();
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}
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}
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}
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